Sony VGC-RC210 - Manual (Page 20)

20 n N
Getting Started
To connect the supplied 2-channel speakers
1 Plug the speaker cable (1) from the back of the right speaker to the FRONT jack (2) on the back of the computer.
2 Plug the power cable from the right speaker to a grounded AC wall outlet, surge protector, or Universal Power Supply
(UPS) (3).